[MPlayer-users] videos from youtube loosing sync

[Jozef Riha]

On 11/16/06, The Wanderer <inverseparadox at comcast.net> wrote:
> Jozef Riha wrote:
>
> > hello,
> >
> > after upgrade to version rc1 i noticed that a/v synchronisation is
> > lost for (most?) videos downloaded from youtube. let
> > http://youtube-707.vo.llnwd.net/d1/04/74/5Ao7jjC2FWY.flv be a good
> > example. after a few seconds of watching audio is completely out. it
> > is fine again when i rewind w/ left arrow. but does the same after a
> > while. also after reencoding using mencoder. -autosync does not seem
> > to be helpfull.
> >
> > i am not saying my hw config is contemporary, how 700 MHz and 128 ram
> > can be but I am able to play those files w/ ffplay just fine. ffmpeg
> > version is something after 0.4.9-pre1 (libavutil version: 49.0.0,
> > libavcodec version: 51.9.0, libavformat version: 50.4.0).
> >
> > does anyone have a solution?
>
> MPlayer detects that file as being 29.970 fps, and therefore plays it at
> that frame rate by default. Adding '-fps 24000/1001' to the command line
> produces apparently correct playback.
>
> ffmpeg likewise detects that file as being 29.97 fps, but ffplay does
> indeed play it back without loss of A/V sync - if anything, even better
> than MPlayer with '-fps 24000/1001'. Not sure what's going on there.
>
thanks mate, that works like a charm. i have not noticed ffplay being
better than mplayer now, really. cheers, joe